My thermostat uses the expansion/contraction of a drop mercury to conduct electricity and trigger when to turn off and on. Submitted by Iain_MS t3_z84a06 on November 29, 2022 at 7:58 PM in mildlyinteresting 91 comments 197
bhops24 t1_iy9t031 wrote on November 29, 2022 at 8:35 PM All thermostats prior to going digital use the Mercury switch. Permalink 6
My thermostat uses the expansion/contraction of a drop mercury to conduct electricity and trigger when to turn off and on.
Viewing a single comment thread. View all comments